summaryrefslogtreecommitdiff
path: root/cpu/mpc83xx/cpu.c
diff options
context:
space:
mode:
Diffstat (limited to 'cpu/mpc83xx/cpu.c')
-rw-r--r--cpu/mpc83xx/cpu.c273
1 files changed, 265 insertions, 8 deletions
diff --git a/cpu/mpc83xx/cpu.c b/cpu/mpc83xx/cpu.c
index 1b5107881ed..e934ba638fe 100644
--- a/cpu/mpc83xx/cpu.c
+++ b/cpu/mpc83xx/cpu.c
@@ -30,8 +30,14 @@
#include <watchdog.h>
#include <command.h>
#include <mpc83xx.h>
-#include <ft_build.h>
#include <asm/processor.h>
+#if defined(CONFIG_OF_FLAT_TREE)
+#include <ft_build.h>
+#endif
+#if defined(CONFIG_OF_LIBFDT)
+#include <libfdt.h>
+#include <libfdt_env.h>
+#endif
DECLARE_GLOBAL_DATA_PTR;
@@ -56,49 +62,78 @@ int checkcpu(void)
switch(spridr) {
case SPR_8349E_REV10:
case SPR_8349E_REV11:
+ case SPR_8349E_REV31:
puts("MPC8349E, ");
break;
case SPR_8349_REV10:
case SPR_8349_REV11:
+ case SPR_8349_REV31:
puts("MPC8349, ");
break;
case SPR_8347E_REV10_TBGA:
case SPR_8347E_REV11_TBGA:
+ case SPR_8347E_REV31_TBGA:
case SPR_8347E_REV10_PBGA:
case SPR_8347E_REV11_PBGA:
+ case SPR_8347E_REV31_PBGA:
puts("MPC8347E, ");
break;
case SPR_8347_REV10_TBGA:
case SPR_8347_REV11_TBGA:
+ case SPR_8347_REV31_TBGA:
case SPR_8347_REV10_PBGA:
case SPR_8347_REV11_PBGA:
+ case SPR_8347_REV31_PBGA:
puts("MPC8347, ");
break;
case SPR_8343E_REV10:
case SPR_8343E_REV11:
+ case SPR_8343E_REV31:
puts("MPC8343E, ");
break;
case SPR_8343_REV10:
case SPR_8343_REV11:
+ case SPR_8343_REV31:
puts("MPC8343, ");
break;
case SPR_8360E_REV10:
case SPR_8360E_REV11:
case SPR_8360E_REV12:
+ case SPR_8360E_REV20:
puts("MPC8360E, ");
break;
case SPR_8360_REV10:
case SPR_8360_REV11:
case SPR_8360_REV12:
+ case SPR_8360_REV20:
puts("MPC8360, ");
break;
+ case SPR_8323E_REV10:
+ case SPR_8323E_REV11:
+ puts("MPC8323E, ");
+ break;
+ case SPR_8323_REV10:
+ case SPR_8323_REV11:
+ puts("MPC8323, ");
+ break;
+ case SPR_8321E_REV10:
+ case SPR_8321E_REV11:
+ puts("MPC8321E, ");
+ break;
+ case SPR_8321_REV10:
+ case SPR_8321_REV11:
+ puts("MPC8321, ");
+ break;
default:
- puts("Rev: Unknown\n");
- return -1; /* Not sure what this is */
+ puts("Rev: Unknown revision number.\nWarning: Unsupported cpu revision!\n");
+ return 0;
}
-#if defined(CONFIG_MPC8349)
- printf("Rev: %02x at %s MHz\n", (spridr & 0x0000FFFF)>>4 |(spridr & 0x0000000F), strmhz(buf, clock));
+#if defined(CONFIG_MPC834X)
+ /* Multiple revisons of 834x processors may have the same SPRIDR value.
+ * So use PVR to identify the revision number.
+ */
+ printf("Rev: %02x at %s MHz\n", PVR_MAJ(pvr)<<4 | PVR_MIN(pvr), strmhz(buf, clock));
#else
printf("Rev: %02x at %s MHz\n", spridr & 0x0000FFFF, strmhz(buf, clock));
#endif
@@ -250,7 +285,6 @@ unsigned long get_tbclk(void)
#if defined(CONFIG_WATCHDOG)
void watchdog_reset (void)
{
-#ifdef CONFIG_MPC834X
int re_enable = disable_interrupts();
/* Reset the 83xx watchdog */
@@ -260,9 +294,182 @@ void watchdog_reset (void)
if (re_enable)
enable_interrupts ();
-#else
- hang();
+}
#endif
+
+#if defined(CONFIG_OF_LIBFDT)
+
+/*
+ * "Setter" functions used to add/modify FDT entries.
+ */
+static int fdt_set_eth0(void *fdt, int nodeoffset, const char *name, bd_t *bd)
+{
+ /*
+ * Fix it up if it exists, don't create it if it doesn't exist.
+ */
+ if (fdt_get_property(fdt, nodeoffset, name, 0)) {
+ return fdt_setprop(fdt, nodeoffset, name, bd->bi_enetaddr, 6);
+ }
+ return -FDT_ERR_NOTFOUND;
+}
+#ifdef CONFIG_HAS_ETH1
+/* second onboard ethernet port */
+static int fdt_set_eth1(void *fdt, int nodeoffset, const char *name, bd_t *bd)
+{
+ /*
+ * Fix it up if it exists, don't create it if it doesn't exist.
+ */
+ if (fdt_get_property(fdt, nodeoffset, name, 0)) {
+ return fdt_setprop(fdt, nodeoffset, name, bd->bi_enet1addr, 6);
+ }
+ return -FDT_ERR_NOTFOUND;
+}
+#endif
+#ifdef CONFIG_HAS_ETH2
+/* third onboard ethernet port */
+static int fdt_set_eth2(void *fdt, int nodeoffset, const char *name, bd_t *bd)
+{
+ /*
+ * Fix it up if it exists, don't create it if it doesn't exist.
+ */
+ if (fdt_get_property(fdt, nodeoffset, name, 0)) {
+ return fdt_setprop(fdt, nodeoffset, name, bd->bi_enet2addr, 6);
+ }
+ return -FDT_ERR_NOTFOUND;
+}
+#endif
+#ifdef CONFIG_HAS_ETH3
+/* fourth onboard ethernet port */
+static int fdt_set_eth3(void *fdt, int nodeoffset, const char *name, bd_t *bd)
+{
+ /*
+ * Fix it up if it exists, don't create it if it doesn't exist.
+ */
+ if (fdt_get_property(fdt, nodeoffset, name, 0)) {
+ return fdt_setprop(fdt, nodeoffset, name, bd->bi_enet3addr, 6);
+ }
+ return -FDT_ERR_NOTFOUND;
+}
+#endif
+
+static int fdt_set_busfreq(void *fdt, int nodeoffset, const char *name, bd_t *bd)
+{
+ u32 tmp;
+ /*
+ * Create or update the property.
+ */
+ tmp = cpu_to_be32(bd->bi_busfreq);
+ return fdt_setprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
+}
+
+/*
+ * Fixups to the fdt. If "create" is TRUE, the node is created
+ * unconditionally. If "create" is FALSE, the node is updated
+ * only if it already exists.
+ */
+static const struct {
+ char *node;
+ char *prop;
+ int (*set_fn)(void *fdt, int nodeoffset, const char *name, bd_t *bd);
+} fixup_props[] = {
+ { "/cpus/" OF_CPU,
+ "bus-frequency",
+ fdt_set_busfreq
+ },
+ { "/cpus/" OF_SOC,
+ "bus-frequency",
+ fdt_set_busfreq
+ },
+ { "/" OF_SOC "/serial@4500/",
+ "clock-frequency",
+ fdt_set_busfreq
+ },
+ { "/" OF_SOC "/serial@4600/",
+ "clock-frequency",
+ fdt_set_busfreq
+ },
+#ifdef CONFIG_MPC83XX_TSEC1
+ { "/" OF_SOC "/ethernet@24000,
+ "mac-address",
+ fdt_set_eth0
+ },
+ { "/" OF_SOC "/ethernet@24000,
+ "local-mac-address",
+ fdt_set_eth0
+ },
+#endif
+#ifdef CONFIG_MPC83XX_TSEC2
+ { "/" OF_SOC "/ethernet@25000,
+ "mac-address",
+ fdt_set_eth1
+ },
+ { "/" OF_SOC "/ethernet@25000,
+ "local-mac-address",
+ fdt_set_eth1
+ },
+#endif
+#ifdef CONFIG_UEC_ETH1
+#if CFG_UEC1_UCC_NUM == 0 /* UCC1 */
+ { "/" OF_QE "/ucc@2000/mac-address",
+ "mac-address",
+ fdt_set_eth0
+ },
+ { "/" OF_QE "/ucc@2000/mac-address",
+ "local-mac-address",
+ fdt_set_eth0
+ },
+#elif CFG_UEC1_UCC_NUM == 2 /* UCC3 */
+ { "/" OF_QE "/ucc@2200/mac-address",
+ "mac-address",
+ fdt_set_eth0
+ },
+ { "/" OF_QE "/ucc@2200/mac-address",
+ "local-mac-address",
+ fdt_set_eth0
+ },
+#endif
+#endif
+#ifdef CONFIG_UEC_ETH2
+#if CFG_UEC2_UCC_NUM == 1 /* UCC2 */
+ { "/" OF_QE "/ucc@3000/mac-address",
+ "mac-address",
+ fdt_set_eth1
+ },
+ { "/" OF_QE "/ucc@3000/mac-address",
+ "local-mac-address",
+ fdt_set_eth1
+ },
+#elif CFG_UEC1_UCC_NUM == 3 /* UCC4 */
+ { "/" OF_QE "/ucc@3200/mac-address",
+ "mac-address",
+ fdt_set_eth1
+ },
+ { "/" OF_QE "/ucc@3200/mac-address",
+ "local-mac-address",
+ fdt_set_eth1
+ },
+#endif
+#endif
+};
+
+void
+ft_cpu_setup(void *blob, bd_t *bd)
+{
+ int nodeoffset;
+ int err;
+ int j;
+
+ for (j = 0; j < (sizeof(fixup_props) / sizeof(fixup_props[0])); j++) {
+ nodeoffset = fdt_path_offset(fdt, fixup_props[j].node);
+ if (nodeoffset >= 0) {
+ err = (*fixup_props[j].set_fn)(blob, nodeoffset, fixup_props[j].prop, bd);
+ if (err < 0)
+ printf("set_fn/libfdt: %s %s returned %s\n",
+ fixup_props[j].node,
+ fixup_props[j].prop,
+ fdt_strerror(err));
+ }
+ }
}
#endif
@@ -292,13 +499,63 @@ ft_cpu_setup(void *blob, bd_t *bd)
*p = cpu_to_be32(clock);
#ifdef CONFIG_MPC83XX_TSEC1
+ p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/mac-address", &len);
+ if (p != NULL)
+ memcpy(p, bd->bi_enetaddr, 6);
+
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/local-mac-address", &len);
+ if (p != NULL)
memcpy(p, bd->bi_enetaddr, 6);
#endif
#ifdef CONFIG_MPC83XX_TSEC2
+ p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/mac-address", &len);
+ if (p != NULL)
+ memcpy(p, bd->bi_enet1addr, 6);
+
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/local-mac-address", &len);
+ if (p != NULL)
+ memcpy(p, bd->bi_enet1addr, 6);
+#endif
+
+#ifdef CONFIG_UEC_ETH1
+#if CFG_UEC1_UCC_NUM == 0 /* UCC1 */
+ p = ft_get_prop(blob, "/" OF_QE "/ucc@2000/mac-address", &len);
+ if (p != NULL)
+ memcpy(p, bd->bi_enetaddr, 6);
+
+ p = ft_get_prop(blob, "/" OF_QE "/ucc@2000/local-mac-address", &len);
+ if (p != NULL)
+ memcpy(p, bd->bi_enetaddr, 6);
+#elif CFG_UEC1_UCC_NUM == 2 /* UCC3 */
+ p = ft_get_prop(blob, "/" OF_QE "/ucc@2200/mac-address", &len);
+ if (p != NULL)
+ memcpy(p, bd->bi_enetaddr, 6);
+
+ p = ft_get_prop(blob, "/" OF_QE "/ucc@2200/local-mac-address", &len);
+ if (p != NULL)
+ memcpy(p, bd->bi_enetaddr, 6);
+#endif
+#endif
+
+#ifdef CONFIG_UEC_ETH2
+#if CFG_UEC2_UCC_NUM == 1 /* UCC2 */
+ p = ft_get_prop(blob, "/" OF_QE "/ucc@3000/mac-address", &len);
+ if (p != NULL)
+ memcpy(p, bd->bi_enet1addr, 6);
+
+ p = ft_get_prop(blob, "/" OF_QE "/ucc@3000/local-mac-address", &len);
+ if (p != NULL)
memcpy(p, bd->bi_enet1addr, 6);
+#elif CFG_UEC2_UCC_NUM == 3 /* UCC4 */
+ p = ft_get_prop(blob, "/" OF_QE "/ucc@3200/mac-address", &len);
+ if (p != NULL)
+ memcpy(p, bd->bi_enet1addr, 6);
+
+ p = ft_get_prop(blob, "/" OF_QE "/ucc@3200/local-mac-address", &len);
+ if (p != NULL)
+ memcpy(p, bd->bi_enet1addr, 6);
+#endif
#endif
}
#endif
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-05 18:44:57 +0000